JPS52470A - System for measuring contact resistance - Google Patents

System for measuring contact resistance

Info

Publication number
JPS52470A
JPS52470A JP50075725A JP7572575A JPS52470A JP S52470 A JPS52470 A JP S52470A JP 50075725 A JP50075725 A JP 50075725A JP 7572575 A JP7572575 A JP 7572575A JP S52470 A JPS52470 A JP S52470A
Authority
JP
Japan
Prior art keywords
contact resistance
measuring contact
braching
duringthe
factories
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP50075725A
Other languages
Japanese (ja)
Inventor
Motoyasu Nakanishi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kobayashi KK
Original Assignee
Kobayashi KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kobayashi KK filed Critical Kobayashi KK
Priority to JP50075725A priority Critical patent/JPS52470A/en
Publication of JPS52470A publication Critical patent/JPS52470A/en
Pending legal-status Critical Current

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  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)

Abstract

PURPOSE: To measure the contact resistance at braching points of bus bar wiring in factories and buildings utilizing ultrasonic waves, and to enable the measurement of contact resistance duringthe connection operation of non-coated conductors.
COPYRIGHT: (C)1977,JPO&Japio
JP50075725A 1975-06-23 1975-06-23 System for measuring contact resistance Pending JPS52470A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50075725A JPS52470A (en) 1975-06-23 1975-06-23 System for measuring contact resistance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50075725A JPS52470A (en) 1975-06-23 1975-06-23 System for measuring contact resistance

Publications (1)

Publication Number Publication Date
JPS52470A true JPS52470A (en) 1977-01-05

Family

ID=13584521

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50075725A Pending JPS52470A (en) 1975-06-23 1975-06-23 System for measuring contact resistance

Country Status (1)

Country Link
JP (1) JPS52470A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5930444A (en) * 1982-08-12 1984-02-18 Hitachi Ltd Method and device for thickness increase-working of pipe
JPS5987943A (en) * 1982-11-12 1984-05-21 Hitachi Ltd Method and device for thickening pipe material
JPS59223115A (en) * 1983-06-03 1984-12-14 Ihara Koatsu Tsugite Kogyo Kk Manufacture of straight pipe having thickness varied part in its pipe
US5709490A (en) * 1993-10-21 1998-01-20 Innovative Products Nz Limited Foot brush
US5713130A (en) * 1994-01-24 1998-02-03 Daiwa House Industry Co., Ltd. Partially thick-walled elongated metallic member and methods of making and connecting the same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5930444A (en) * 1982-08-12 1984-02-18 Hitachi Ltd Method and device for thickness increase-working of pipe
JPH027738B2 (en) * 1982-08-12 1990-02-20 Hitachi Ltd
JPS5987943A (en) * 1982-11-12 1984-05-21 Hitachi Ltd Method and device for thickening pipe material
JPH0212657B2 (en) * 1982-11-12 1990-03-23 Hitachi Ltd
JPS59223115A (en) * 1983-06-03 1984-12-14 Ihara Koatsu Tsugite Kogyo Kk Manufacture of straight pipe having thickness varied part in its pipe
US5709490A (en) * 1993-10-21 1998-01-20 Innovative Products Nz Limited Foot brush
US5713130A (en) * 1994-01-24 1998-02-03 Daiwa House Industry Co., Ltd. Partially thick-walled elongated metallic member and methods of making and connecting the same

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